Weakness-Destroying Abs Workouts for CrossFit Lovers

Black Jack

For Time

• 20 Push-Ups, 1 Sit-Ups
• 19 Push-Ups, 2 Sit-Ups
• 18 Push-Ups, 3 Sit-Ups

…continue this pattern until…

• 2 Push-Ups, 19 Sit-Ups
• 1 Push-Ups, 20 Sit-Ups

Source: RX'd Photography

Each round totals 21 reps (push-ups descending from 20, sit-ups ascending from 1) for a total of 420 reps in the workout.